658711

Appears in sequences

• a(n) = n*(n + 1)*(2*n^2 + 2*n - 1)/6.at n=36A006324
• a(n) = binomial(n+2, 2) + binomial(n+4, 5).at n=36A027658
• Composite numbers k == 5, 7 (mod 12) such that 3^((k-1)/2) == -1 (mod k).at n=27A375918